Realization of a Database-Driven PID Control System Using a CMAC Memory

DOI Web Site 11 References
  • Li Zhifeng
    Graduate School of Advanced Science and Engineering, Hiroshima University
  • Guan Zhe
    KOBELCO Construction Machinery Dream-DrivenCo-Creation Research Center, Hiroshima University
  • Yamamoto Toru
    Graduate School of Advanced Science and Engineering, Hiroshima University
  • Omatu Sigeru
    Digital Manufacturing Education and Research Center, Hiroshima University

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  • CMACメモリによるデータベース駆動型PID制御系の実現

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<p>As a nonlinear control approach, a database-driven PID (DD-PID) controller has been proposed that uses distance calculations of an initial database to tune PID parameters. However, sorting operations are required in extracting neighborhood data from the database, which imposes a large computational load. Therefore, it is impossible to finish this computation within a restricted sampling period in control systems with fast response time and insufficient memory capacity. On the other hand, the cerebellar model articulation controller (CMAC) has advantages for these problems and has similar constructs to the DD approach. Therefore, this paper combines advantages of these two approaches, and proposes a CMAC-PID controller design based on off-line optimization of a database. Finally, a comparison with conventional off-line CMAC-PID controller and DD-PID controller through simulations are considered.</p>

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